Scientists have succeeded in recovering healthy sugarcane plants from a diseased one.
Describe the procedure the scientists followed to recover the healthy plants.

Scientists have succeeded in recovering healthy sugarcane plants from a diseased one. Name this technology for crop improvement.

Scientists have succeeded in recovering healthy sugarcane plants from a diseased one. Name the part of the parent plant used as explant by the scientists.

To obtain virus-free healthy plants from a diseased one by tissue culture technique, which part/ parts of the disease plant will be taken?

How can healthy potato plants be obtained from a desired potato variey which is viral infected? Explain.

Some of the most profound statements on the nature of science have come from Albert Einstein, one of the greatest scientists of all time. What do you think did Einstein mean when he said : "The most incomprehensible thing about the world is that it is comprehensible"?

Which of the following terms is used to describe the component isolated from a plant, for in vitro culturing ?

Long Answer Questions Five mark Each QUESTIONS FROM CBSE BOARD EXAMINATIONS : A flower of tomato plant following the process of sexual reproduction produces 240 viable seeds. Answer the following questions giving reasons: (a) What is the minimum number of pollen grains that must have been involved in the pollination of its pistil? (b) What would have been the minimum number of ovules present in the ovary? (c) How many megaspore mother cells were involved? (d) What is the minimum number of microspore mother cells involved in the above case? (e) How many male gametes were involved in this case?

The following statements describe the wind pollinated plants. Which one of these statements in incorrect?